Overloading his Twitter, fans re-tweeted and tweeted at Shelton so much that it was hard for anyone to keep track of! The venue even announced it on their official Facebook page and welcomed the first 2500 fans, free of charge!

Now how's that for a little bit of summer spontaneity??

Let us know if y'all will be heading out to this awesome event and be sure to check out one of Blake's epic performances in the video below!